| Name | From | To | Age range |
|---|---|---|---|
| Buxus vahlii | Tertiary | Tertiary |
|
| Buxus sp. Glad.,1956 | Middle Miocene | Middle Miocene |
|
| Buxus foliosa | Tertiary | Tertiary |
|
| Buxus glomerata | Tertiary | Tertiary |
|
| Buxus macowanii | Tertiary | Tertiary |
|
| Buxus aneura | Tertiary | Tertiary |
|
| Buxus loherii | Middle Eocene | Middle Eocene |
|
| Buxus retusa | Tertiary | Tertiary |
|
| Buxus colchica | Pliocene | Pliocene |
|
| Buxus macowani | Middle Eocene | Middle Eocene |
|
| Buxus | Paleocene | Recent |
|
| Buxus hildebrandtii | Tertiary | Pleistocene |
|
| Buxus microphylla | Pliocene | Pleistocene |
|
| Buxus sp | Cenomanian | Middle Pleistocene |
|
| Buxus sempervirens | Eocene | Early Pleistocene |
|
| Buxus pliocenica | Miocene | Pliocene |
|
| Buxus mexicana | Tertiary | Middle Miocene |
|